Datasheet > RT7240GSP

RT7240GSP

更新时间： 2024-01-24 07:40:36

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
19页	366K
描述
IC REG BUCK ADJ 5A SYNC 8SOP

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中文翻译

获取价格

数据手册

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RT7240GSP 数据手册

RT7235/36/39/40

Parameter

Line Regulation

Symbol

Test Conditions

6V  V_IN 18V, I_VREG5= 5mA

0  I_VREG5 5mA

Min

Typ

Max

Unit

kHz

Load Regulation

Output Current

Oscillation Frequency

R_DS(ON)

100

I_VREG5

f_OSC

V_IN= 6V, V_REG5= 4V, T_A= 25C

650

540

760

R_{DS(ON)_H}

R_{DS(ON)_L}

High-Side

Low-Side

(V_BOOT V_SW) = 5.5V

120

Switch On

Resistance

m

Current Limit

I_LIM

5.9

6.85

7.8

Thermal Shutdown

Thermal Shutdown Threshold T_SD

Thermal Shutdown Hysteresis T_SD

On-Time Timer Control

Shutdown Temperature

150

C

On-Time

t_ON

V_IN= 12V, V_OUT= 1.05V

Note 5

135

Minimum On-Time

Minimum Off-Time

Soft-Start

t_ON(MIN)

t_OFF(MIN)

V_FB= 0.7V

260

310

SS Charge Current

SS Discharge Current

UVLO

V_SS= 0V

A

V_SS= 0.5V

0.1

0.2

UVLO Threshold

Hysteresis

Wake Up V_REG5

3.6

3.85

0.35

4.1

0.16

0.47

Power Good

_FBRising

PGOOD Threshold

V_FBFalling

2.5

PGOOD Sink Current

PGOOD = 0.5V

Output Under Voltage and Over Voltage Protection

115

120

125

OVP Trip Threshold

OVP Prop Delay

UVP Trip Threshold

UVP Hysteresis

OVP Detect

s

250

UVP Prop Delay

s

t_SS

x 1.7

UVP Enable Delay

t_UVPEN

Relative to Soft-Start Time

is a registered trademark of Richtek Technology Corporation.

www.richtek.com

DS7235/36/39/40-08 January 2017

1...3 4 567 8 9...19

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